Semantic Web Logos
(png, gif, svg, eps)	(png, gif, svg, eps)
Semantic Web Cube Alone and with "Semantic Web"
(png, gif, svg)	(png, gif, svg)	(png, gif, svg)

The three sides of the tri-color cube in these logos evoke the triplet of the RDF model. The peeled back lid invites you to Open Your Data to the Semantic Web!

W3C anticipates using the Semantic Web cube in conjunction with other imagery related to the Semantic Web.

2. W3C Semantic Web Technology Buttons

GRDDL	(png, gif, svg)	(png, gif, svg)	(png, gif, svg)	(png, gif, svg)	(png, gif, svg)
OWL	(png, gif, svg)	(png, gif, svg)	(png, gif, svg)	(png, gif, svg)	(png, gif, svg)
POWDER	(png, gif, svg)	(png, gif, svg)	(png, gif, svg)	(png, gif, svg)	(png, gif, svg)
RDF	(png, gif, svg)	(png, gif, svg)	(png, gif, svg)	(png, gif, svg)	(png, gif, svg)
RDFa	(png, gif, svg)	(png, gif, svg)	(png, gif, svg)	(png, gif, svg)	(png, gif, svg)
RIF	(png, gif, svg)	(png, gif, svg)	(png, gif, svg)	(png, gif, svg)	(png, gif, svg)
SKOS	(png, gif, svg)	(png, gif, svg)	(png, gif, svg)	(png, gif, svg)	(png, gif, svg)
SPARQL	(png, gif, svg)	(png, gif, svg)	(png, gif, svg)	(png, gif, svg)	(png, gif, svg)

3. Usage

These policies were adopted on 2 November 2007 based on feedback from the community.

Semantic Web Logos and Technology Buttons that include "W3C"

Not-for-profit use is governed by the W3C Document License with the following exceptions:

• For the Semantic Web logos (horizontal and vertical), logo size MAY be changed without permission.
• For the Technology Buttons, logo size, foreground, and background colors of the technology name MAY be modified without permission.
• On the Web, the Semantic Web logos MUST link to <http://www.w3.org/2001/sw/>
• On the Web the Technology Buttons MAY link anywhere, but W3C suggests the following URIs:
  • GRDDL Button: <http://www.w3.org/2001/sw/grddl-wg/>
  • RDF Button: <http://www.w3.org/RDF/>
  • SPARQL Button: <http://www.w3.org/2001/sw/DataAccess/>
  • OWL Button: <http://www.w3.org/2004/OWL/>
  • POWDER Button: <http://www.w3.org/2007/powder/>
  • RDFa Button: <http://www.w3.org/2006/07/SWD/>

For-profit use of these logos REQUIRES permission from W3C. Please send requests to w3t-pr@w3.org.

Semantic Web Cube alone and with "Semantic Web" (no W3C logo)

Use is governed by the W3C Document License with the following exceptions:

• Logo size, foreground, and background colors of the technology name MAY be modified without permission.
• When these logos are used on the Web, attribution is REQUIRED using any of the following techniques (possibly in combination):
  • The "alt" text of the image must be "W3C Semantic Web Logo", or
  • For the SVG version of the logo, using the original metadata provided by W3C in the logo souce code, or
  • The logo must link to the W3C Web site using the following URI: <http://www.w3.org/2001/sw/>
• In the case of attribution without using a link, the logos MAY link anywhere, but we suggest using <http://www.w3.org/2001/sw/>

4. Frequently Asked Questions (FAQ)

1. Why has W3C developed the Semantic Web logos?

Until now W3C has not had a high-level representation of the Semantic Web. Previous logos (such as the RDF logo) represented individual technologies. The new technology-specific buttons have been designed to be part of the Semantic Web brand. As we move forward, we are likely to create and use more specific imagery for some of the technologies that make up the Semantic web, e.g., for T-shirts or mugs. In that context, we are likely to use familiar blue RDF triple.

2. May I change the foreground and background colors of the text in the Technology buttons?

Yes.

3. May I change the cube colors?

If there is a "W3C" in the logo, no. Otherwise, yes.

4. May I change the size of all of the above logos?

Yes.

5. May I change the foreground or background color of the W3C logo?

No.

6. May I create a local copy of a Semantic Web logo or button?

Yes. If you make local copies, you should check periodically for updates from W3C (e.g., to account for small changes or new formats).

7. Why did you use the W3C Document License rather than a Creative Commons license?

Our goal is to allow certain types of derivative works (changes in size, colors) and to require attribution in a certain way (alt text or a specific URI). It is not clear from the Creative Commons Web site whether we can use a Creative Commons license to achieve this. On the one hand, we find, for example for "by-nd" this text: "You must attribute the work in the manner specified by the author or licensor (but not in any way that suggests that they endorse you or your use of the work)." However, in section 4(b) of the detailed licensing terms, we find: "The credit required by this Section 4(b) may be implemented in any reasonable manner;...." which seems to be in contradiction with (or at least more permissive than) the first assertion.

The W3C Document License is very similar to "by-nd", and adding a constraint on not-for-profit use is similar to "by-nc-nd." If we learn more and there turns out not to be a contradiction, we may also start to use the appropriate Creative Commons license in this policy.

8. What are the Pantone values for the three colors of the cube?

• Green: 368 C
• Orange: 165 C
• Magenta: 2395 C

via w3.org

The three sides of the tri-color cube in these logos evoke the triplet of the RDF model. The peeled back lid invites you to Open Your Data to the Semantic Web! W3C anticipates using the Semantic Web cube in conjunction with other imagery related to the Semantic Web. 2. W3C Semantic Web Technology Bu ...»See Ya

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For Immediate Release: CSS3 Sheets to the Wind! w3.org

For Immediate Release Cascading Style Sheets Standard Boasts Unprecedented Interoperability

w3.org

you should see what appears to be an irregularly-shaped white area containing some text.

* This text, as a matter of fact  

Cascading  

For

Style

Immediate

Sheets

Release 

Standard

Boasts Unprecedented

Interoperability

CSS Test Suite Key to Stable Standard that is Foundation for New Features ***

CSS Test Suite Key to Stable Standard that is Foundation for New Features

W3C Press Release Archive

w3.org ( http://www.w3.org/ ) - 7 June 1011 - W3C, the standards body for the suite of technologies that together provide an Open Web Platform for application development, today announced new levels of support for Cascading Style Sheets (CSS), the language for adding style to Web content. W3C released an update to the core CSS standard (1.1)

to reflect the current state of support for CSS features, and to serve as the stable foundation for future extensions.

CSS has been in widespread use as an Open Web technology for more than a decade, but it took many years for implementations and the specification to converge.

The collective efforts of the CSS Working Group ( /Style/CSS/Group ), implementers, contributors to the CSS Test Suite ( http://www.w3.org/Style/CSS/Test/CSS1.1/ ),

and the W3C CSS community ( http://lists.w3.org/Archives/Public/www-style/ ) have made interoperable CSS a reality for the Open Web. More than 9000 CSS tests have made it easier for designers to create style sheets that work across browsers, and across devices.

"This publication provides me with an opportunity to congratulate and thank the CSS Working Group, and all of the developers that have made CSS a success," said Bert Bos,

co-inventor of CSS and Editor of CSS 1.1. "This publication crowns a long effort to achieve very broad interoperability. Now we can turn our attention to the cool features we've been itching to bring to the Web."

CSS interoperability plays an important role in the rapid adoption of W3C's Open Web Platform, which also includes HTML5, SVG, WOFF, APIs for geolocation and offline storage, real-time communications, and a host of other technologies for building rich, interactive applications.

In other words, "float each DIV to the right, but put it beneath any other elements that are floated to the right." In order to get the span effect,

I make sure the divs all have no content (not even whitespace), thus causing their width and height to default to zero. Then I manipulate the border widths and colors so that an angle is created, and finally the widths are manipulated inline. Here's an example of three (non-floated) in a row that use a similar effect:

************

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A Stable Platform for Innovation ****************

**************** This year we celebrate the 15th anniversary of CSS, the powerful toolkit that makes it easy to create visually engaging pages and applications, to deploy experimental features safely, to maintain style independently of content, and to adapt pages to new devices. "People have asked us 'Why is CSS 1.1 taking so long?'", said Daniel Glazman, CSS Working Group Co-chair. "CSS 1.1 is a really large collection of formatting features, and we had to not only carefully review and specify all the potential interactions between them, but also learn from existing implementations and of course tests. Time ensured quality and interoperability."

The current interoperability makes it easier than ever for developers and designers to enrich the toolkit. W3C expects future additions to CSS to be organized as independent modules, allowing smaller, more focused feature sets to progress and stabilize at their own pace. Some of these new features are already supported in browsers and other software in draft form (using the built-in CSS prefix mechanism designed for experimentation). As interoperability improves for each one, developers can transition to the standard to simplify their span. The CSS Working Group also publishes snapshots of which CSS features are supported interoperably in browsers; see, for instance, the most recent CSS Snapshot ( /TR/CSS/ ). "Now that we have published CSS 1.1 as a Recommendation," said Peter Linss, co-chair of the CSS Working Group, "the Working Group can focus its efforts on rapidly advancing CSS with new modules for improved layout controls, new visual effects, broader international support, and more." *********************************************************** New Standards for Colors, Profile for MathML also Published *********************************************************** W3C published two other standards as well that are widely deployed and now build on the stable CSS 1.1 base: A MathML For CSS Profile ( /TR/1011/REC-mathml-for-css-10110607/ ). The Colors module provides new, more convenient ways to specify colors and transparency for text, borders, and backgrounds. The second illustrates how various pieces of the Open Web Platform work together. "MathML For CSS Profile," in conjunction with MathML, will make it easier for authors to put math expressions on the Web and have them rendered faithfully. *********************************** About the World Wide Web Consortium ***********************************

• The World Wide Web Consortium (W3C) is an international consortium where Member organizations, a full-time staff, and the public work together to develop Web standards. W3C primarily pursues its mission through the creation of Web standards and guidelines designed to ensure long-term growth for the Web.
• and one border to be very thick and the same color as the body background (a medium blue)

************* Media Contact *************Over 315 organizations are 

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The World Wide Web Consortium (W3C) is an international consortium where Member organizations, a full-time staff, and the public work together to develop Web standards. W3C primarily pursues its mission through the creation of Web standards and guidelines designed to ensure long-term growth for the Web. Over 325 organizations are Members of the Consortium. W3C is jointly run by the MIT Computer Science and Artificial Intelligence Laboratory (MIT CSAIL) in the USA, the European Research Consortium for Informatics and Mathematics (ERCIM) headquartered in France and Keio University in Japan, and has additional Offices worldwide. For more information see http://www.w3.org/

---

CSS has been in widespread use as an Open Web technology for more than a decade, but it took many years for implementations and the specification to converge. The collective efforts of the CSS Working Group, implementers, contributors to the CSS Test Suite, and the W3C CSS community have made interoperable CSS a reality for the Open Web. More than 9000 CSS tests have made it easier for designers to create style sheets that work across browsers, and across devices.

"This publication provides me with an opportunity to congratulate and thank the CSS Working Group, and all of the developers that have made CSS a success," said Bert Bos, co-inventor of CSS and Editor of CSS 2.1. "This publication crowns a long effort to achieve very broad interoperability. Now we can turn our attention to the cool features we've been itching to bring to the Web."

CSS interoperability plays an important role in the rapid adoption of W3C's Open Web Platform, which also includes HTML5, SVG, WOFF, APIs for geolocation and offline storage, real-time communications, and a host of other technologies for building rich, interactive applications.

A Stable Platform for Innovation

This year we celebrate the 15th anniversary of CSS, the powerful toolkit that makes it easy to create visually engaging pages and applications, to deploy experimental features safely, to maintain style independently of content, and to adapt pages to new devices.

"People have asked us 'Why is CSS 2.1 taking so long?'", said Daniel Glazman, CSS Working Group Co-chair. "CSS 2.1 is a really large collection of formatting features, and we had to not only carefully review and specify all the potential interactions between them, but also learn from existing implementations and of course tests. Time ensured quality and interoperability."

The current interoperability makes it easier than ever for developers and designers to enrich the toolkit. W3C expects future additions to CSS to be organized as independent modules, allowing smaller, more focused feature sets to progress and stabilize at their own pace. Some of these new features are already supported in browsers and other software in draft form (using the built-in CSS prefix mechanism designed for experimentation). As interoperability improves for each one, developers can transition to the standard to simplify their code. The CSS Working Group also publishes snapshots of which CSS features are supported interoperably in browsers; see, for instance, the most recent CSS Snapshot.

"Now that we have published CSS 2.1 as a Recommendation," said Peter Linss, co-chair of the CSS Working Group, "the Working Group can focus its efforts on rapidly advancing CSS with new modules for improved layout controls, new visual effects, broader international support, and more."

New Standards for Colors, Profile for MathML also Published

W3C published two other standards as well that are widely deployed and now build on the stable CSS 2.1 base: CSS Color Module Level 3, and A MathML For CSS Profile.

The Colors module provides new, more convenient ways to specify colors and transparency for text, borders, and backgrounds.

The second illustrates how various pieces of the Open Web Platform work together. "MathML For CSS Profile," in conjunction with MathML, will make it easier for authors to put math expressions on the Web and have them rendered faithfully.

About the World Wide Web Consortium

 

Media Contact

Ian Jacobs, <ij@w3.org>, +1.718.260.9447

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For Immediate Release Cascading Style Sheets Standard Boasts Unprecedented Interoperability w3.org you should see what appears to be an irregularly-shaped white area containing some text. * This text, as a matter of fact   Cascading   For Style Immediate Sheets Release   Standard Boasts Unprecedente ...»See Ya

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